Question : The biological decomposition of organic substances in wastes under controlled conditions known as:
Option 1: composting
Option 2: incineration
Option 3: sanitary landfill
Option 4: pyrolysis
Correct Answer: composting
Solution : The correct option is composting.
It is a biological process of converting biological waste into organic substances. The formed composting is rich in nutrients and is used as fertiliser. These are eco-friendly (it does not harm). Also, it is cheap. The conversion of the waste is done by the bacteria.
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Question : Bacterial and fungal enzymes degrade detritus into simpler inorganic substances. This process is called ______.
Option 1: catabolism
Option 2: fragmentation
Option 3: leaching
Option 4: decomposition
Question : Name the condition which influences the development of plants into distinctive forms.
Option 1: Climatic conditions
Option 2: Soil conditions
Option 3: Environmental conditions
Option 4: Social conditions
Question : The bleaching action of chlorine is due to which reaction?
Option 1: Oxidation
Option 2: Hydrolysis
Option 3: Redox
Option 4: Decomposition
Question : ___________ is/are known as the powerhouse of the cell.
Option 1: Nucleus
Option 2: Endoplasmic reticulum
Option 3: Cytoplasm
Option 4: Mitochondria
Question : The collections of Vedic hymns or mantras are known as ______.
Option 1: Samhita
Option 2: Vidatha
Option 3: Jnati
Option 4: Bali
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